watercolor, Jacobus Dorsman, between 1800-1820, Signature front lower right: I. Dorsman fecit, watercolor, paper, painted, Carrier: 28.2 x 20.4cm 282 x 204mm, Day size: 28.5 x 21cm 285 x 210mm, With passe -partout: 42.5 x 30cm 425 x 300mm, watercolor